docs: update changelog

Author: uerceg

CHANGELOG.md

@@ -1,3 +1,9 @@
+### Version 5.0.2 (28th January 2025)
+#### Added
+- Added `jsonResponse` field (`NSDictionary`) to `ADJAttribution` where every key-value pair sent by the backend as part of the attribution response can be found. Equivalently, one can also find `jsonResponse` map being part of the attribution instance in the web bridge API.
+
+---
+
 ### Version 5.0.2 (10th January 2025)
 #### Added
 - Added sending of the additional parameter to improve troubleshooting of `SKAdNetwork` related issues.